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ACTON <br /> MICKELSON <br /> ENVIRONMENTAL, INC. <br /> Consulting Scientists,Engineers, and Geologists <br /> ,0- <br /> July 30, 2002 <br /> Mr. Brian Taylor <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827 16014.01/7 <br /> Subject: Well Abandonment and Monitoring Well Installation Report <br /> Former Georgia-Pacific Corporation Chemical Packaging Facility <br /> 75 West Valpico Road, Tracy, California <br /> Dear Mr. Taylor: <br /> Enclosed for your review is the document entitled Well Abandonment and Monitoring Well <br /> Installation Report (Report) pertaining to the former Georgia-Pacific Corporation Chemical <br /> Packaging Facility located at 75 West Valpico Road in Tracy, California(site). <br /> The Report describes the abandonment of site monitoring/recovery wells BC-1, BC-12, and <br /> RW-1 and the installation of monitoring well MW-21. <br /> Volatile organic compounds were not reported above United States Environmental Protection <br /> Agency Method 8010 reporting limits (RLs) in vadose zone soil samples collected from the <br /> monitoring well MW-21 boring. Chloroform concentrations of 29 and 46 micrograms per liter <br /> (pg/L) and trichlorofluoromethane concentrations of less than the RL of 0.5 and 2.2 pg/L were <br /> reported in ground water samples collected from monitoring well MW-21. Monitoring well <br /> MW-21 was included in the second half 2002 monitoring event completed during the week of <br /> July 22, 2002. <br /> CAWP\2002 Letters\02-192.da <br /> 5049 Robert J.Mathews Parkway,Suite 200 (916)939-7550 <br /> El Dorado Hills,California 95762 Fax(916)939-7570 <br />